But why use them?  What features do the more expensive ones have that you need in your environment over the Ecobee 3 lite?  The thermostat probes I get... but those work with all of the Ecobee thermostats.

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Nate Burke wrote on 11/26/19 09:50:
These are the commercial thermostats, the EMS SI version.  Looks like they're about $330 new or $120 on the refurb market.

On 11/26/2019 10:38 AM, Jason McKemie wrote:
Sounds like you're paying too much for the thermostat. You can just walk into Lowe's and get them much cheaper than that.
Here's Amazon:
https://www.amazon.com/dp/B07NQT85FC/

On Tuesday, November 26, 2019, Nate Burke <[email protected]> wrote:

    Lucky there isn't a case where 1 thermostat has to control 2
    systems.  The Boiler system is from the 50's, just 2 wire contact
    closures on those zones.  Boiler turns on and off by a simple
    pressure switch.    The HVAC Units do both heat and cool, and are
    normal 5wire.  The 11 thermostats at $300+ each is a majority of
    the cost.  Also 20 remote thermostat probes to equalize
    temperature is another $700 (I.E. One boiler zone controls all
    the heat for 3 vertically stacked floors.  Guess which one is the
    hottest.)  And about 2000' of new thermostat wire to hook it all
    up was the balance of the cost.

    The $5600 is material only.  We'd do all the installation ourselves.

    On 11/26/2019 6:11 AM, David Coudron wrote:

    We have been running Ecobee for over four years at our place.  
    We have a fairly complicated setup due to a Geo Thermal heating
    system, forced air and in floor heat, and two zones in the
    house.  We also have a third, independent fan coil HVAC unit in
    the garage that heats and cools the garage.   What we have found
    over the years is that the thermostats are very easy to set up
    as mentioned earlier in this thread.   However, the real
    challenge is the wiring compatibility between your HVAC control
    equipment and the thermostat. Commercial may be different, but I
    think it is basically the same as residential and if each
    thermostat controls a unique piece of HVAC, things are likely
    going to be pretty simple.   However, if each thermostat
    controls a zone on a shared piece of HVAC, or two or three
    thermostats control a single HVAC, you need to make sure you
    know what thermostat wiring your zone controller equipment is
    looking for.   Also, the zone controller can control things like
    heat stages if you have more than one stage (Geo is very well
    know for this, but other heat pump HVAC equipment also have more
    than one stage) or whether you want the thermostat to control
    stages. Most smart thermostats like Ecobee and Nest are fully
    capable of controlling stages.   Once you know that you have the
    correct wiring compatibility (for example we eventually switched
    our zone controller because it wanted the old mechanical
    thermostat with separate O and B wiring configuration),
    configuring the Ecobee is pretty simple.   You will want to set
    a master thermostat so that you don’t have one thermo in heat
    mode and one in cooling mode, they will just fight each other.  
    This is quite straight forward when using most zone controllers,
    you simply hook the one you want to be the master mode thermo to
    the correct connectors on the zone controller. If each thermo is
    controlling unique and separate HVAC equipment, this would have
    to be done through the Ecobee or Nest account, (IE configured in
    the thermo itself).

    No matter what, take pictures of how things are hooked up before
    starting, and don’t throw anything away until well after you are
    convinced it is working well.   In fact, I would recommend going
    through a heating and cooling season before getting rid of
    anything depending on where you are at.    Also, most HVAC
    professionals will know one or two automation platforms, but
    won’t want to get involved with ones they aren’t familiar
    with.   They can waste way too much time figuring out the
    nuances of some small problems.  Assume that if you start this
    project, you will be on your own, but I wouldn’t let that steer
    you away from trying.   Simple things like a volt meter to test
    which wire is energized on heat and cool calls from the thermo
    go a long way into figuring out how things are working.

    Once you deal with the wiring, it works very well and you can
    get a some great reporting from the thermostat for things like
    how long did the thermo call for heat before the call was
    satisfied, how long did it run in each stage, how long did it
    run compared to outside temps, etc.

    Let me know if you want more specifics, I ended up getting much
    deeper in the weeds than I expected on this when putting in the
    Geo Thermal, but glad that I spent the time as it works really
    well.

    Regards,

    David Coudron

    *From:* AF <[email protected]> *On Behalf Of * Jason McKemie
    *Sent:* Monday, November 25, 2019 11:41 PM
    *To:* AnimalFarm Microwave Users Group <[email protected]>
    *Subject:* Re: [AFMUG] Building automation

    The basic setup with nest is just logging the devices into your
    account.  Most of the automation is done automatically,
    obviously there is configuration you can change, but it isn't
    necessary for operation.

    On Mon, Nov 25, 2019 at 11:12 PM CBB - Jay Fuller
    <[email protected]> wrote:

        Learn more...i guess lol

        Sent from my smartphone

        ----- Reply message -----
        From: "Jason McKemie" <[email protected]
        <mailto:[email protected]>>
        To: "AnimalFarm Microwave Users Group" <[email protected]>
        Subject: [AFMUG] Building automation
        Date: Mon, Nov 25, 2019 10:08 PM


        What are you wanting to do? It's dead simple with nest.

        On Monday, November 25, 2019, CBB - Jay Fuller
        <[email protected]
        <mailto:[email protected]>> wrote:

            Any good YouTube videos to get started on home
            automation with nest?

            Sent from my smartphone

            ----- Reply message -----
            From: "Darin Steffl" <[email protected]>
            To: "AnimalFarm Microwave Users Group" <[email protected]
            <mailto:[email protected]>>
            Subject: [AFMUG] Building automation
            Date: Mon, Nov 25, 2019 8:32 PM

            I'm a Nest fan but haven't used ecobee. Google owns nest
            and ecobee would be the one to be acquired between these
            two.

            Also, $5600 seems very high for 11 thermostats. Are
            there more parts to it that I'm missing?

            On Mon, Nov 25, 2019, 7:56 PM Nate Burke
            <[email protected]> wrote:

                One of the young whippersnappers at an organization
                I work with is all
                gung-ho on replacing all 11 thermostats in the
                building (Boiler with
                multiple zones, and multiple RTU's) with ecobee
                thermostats that can be
                remotely controlled and scheduled.  Total price for
                everything is
                running about $5600 (parts only)  He's worked with
                ecobee before, so he
                really likes it.

                Has anyone worked with ecobee before?  Are there
                similar systems to
                compare it to?  The Goal is to allow the office to
                control/schedule the
                thermostats based on room usage.  We found one room
                that was set to 90
                over the weekend last week.  I'm concerned that
                ecobee would be bought,
                merged into someone else, and you suddenly have nice
                wall mounted
                thermostats that can't be remotely managed anymore
                because the cloud
                went away.

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